- 1[transitive, intransitive] arch (something) if you arch part of your body, or if it arches, it moves and forms a curved shape The cat arched its back and hissed.
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- 2[intransitive] to be in a curved line or shape across or over something Tall trees arched over the path.
arch
verbNAmE//ɑrtʃ//
Verb Forms present simple I / you / we / they arch he / she / it arches
past simple arched
-ing form arching
Check pronunciation: arch